xref: /freebsd/contrib/libpcap/pcap_snapshot.3pcap (revision 62cfcf62f627e5093fb37026a6d8c98e4d2ef04c)
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PCAP_SNAPSHOT 3PCAP "7 April 2014"
NAME
pcap_snapshot - get the snapshot length
SYNOPSIS
#include <pcap/pcap.h>

int pcap_snapshot(pcap_t *p);

DESCRIPTION
pcap_snapshot() returns the snapshot length specified when pcap_set_snaplen(3PCAP) or pcap_open_live(3PCAP) was called, for a live capture, or the snapshot length from the capture file, for a ``savefile''.

It must not be called on a pcap descriptor created by \%pcap_create(3PCAP) that has not yet been activated by \%pcap_activate(3PCAP) .

RETURN VALUE
pcap_snapshot() returns the snapshot length on success and PCAP_ERROR_NOT_ACTIVATED if called on a capture handle that has been created but not activated.
SEE ALSO
pcap(3PCAP)